From the Preface:
'This volume contains the text of title 17 of the United States Code, including all amendments enacted through June 30, 2009, in the first session of the 111th Congress. It includes the Copyright Act of 1976 and all subsequent amendments to copyright law; the Semiconductor Chip Protection Act of 1984, as amended; and the Vessel Hull Design Protection Act, as amended. The Copyright Office is responsible for registering claims under all three.'
Related laws outside Title 17 are located in the appendices as referenced in the table of contents.
This law contains (among others) the amendments by the Digital Millennium Copyright Act of 1998 including the Online Copyright Infringement Liability Limitation Act of 1998.
See preface for further information on included amendments.
It also includes the changes through the Architectural Works Copyright Protection Act of 1990. For protection of architectural works: See Section 120.